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首页> 外文会议>IEEE Conference on Energy Internet and Energy System Integration >Operational Risk Evaluation of Distribution Grid Based on Sensitivity Ideology with Distributed Photo Voltaic Generation Centrally Accessed
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Operational Risk Evaluation of Distribution Grid Based on Sensitivity Ideology with Distributed Photo Voltaic Generation Centrally Accessed

机译：基于敏感性思想集中访问分布式光伏发电的配电网运行风险评估

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摘要

With the aggravating of environmental damage and energy shortage, it becomes a trend that distributed photovoltaic generation centrally accessed to distribution grid. Due to its vulnerability to weather, and the original power supply mode with a single power source is altered to the one with duplicate supply, which will change the power flow, the distributed photovoltaic generation increases the randomness of operational state, thus changes the operational risk of distribution grid. First, influence factors which caused by centrally accessed distributed photovoltaic generation are introduced. Then aiming at the characteristic that distributed photovoltaic generation is accessed in a single-point way, a method which uses probabilistic power flow algorithm based on sensitivity ideology is proposed to evaluate the operational risk. Finally, a case study is conducted to demonstrate the evaluation method proposed can provide standards for planning centralized access of distributed photovoltaic generation.
机译：随着环境破坏和能源短缺的加剧，将分布式光伏发电集中接入配电网已成为一种趋势。由于其易受天气影响，并且将原来由单一电源提供的供电方式更改为具有重复供电的方式，这将改变潮流，分布式光伏发电增加了运行状态的随机性，从而改变了运行风险配电网。首先，介绍了由集中访问的分布式光伏发电引起的影响因素。然后针对单点接入分布式光伏发电的特点，提出了一种基于敏感性思想的概率潮流算法来评估运行风险的方法。最后，通过案例研究证明了所提出的评估方法可以为规划分布式光伏发电的集中接入提供标准。

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